Performance – IT Blog

Using BNG Blaster

BNG Blaster is a testing tool, it can create thousands of virtual PPPoE and IPoE clients to test the performance of access servers, it also supports IGMP, QinQ, IPv6, etc.

File mirroring script

Once I needed to make several mirrors in different countries for files that were often downloaded by users, so I made two scripts for synchronization.

Configuring RPS (Receive Packet Steering)

Receive Packet Steering (RPS) is a software implementation of RSS. Useful for example when there are fewer interrupts on the network interface than the processor cores.

LACP Link Aggregation on Cisco Nexus 3064

I will give an example of configuring LAG (LACP) on a Cisco Nexus 3064.

Moving the MySQL data directory to a new location

In this article I will describe the process of moving the MySQL data directory to a separate location, namely on a level 10 raid with 4 disks, this will increase performance.

PCI Express ASPM

ASPM (Active-State Power Management) is used to manage the power consumption of PCI Express buses, even if the PCIe device is in use and may affect the device’s response delay.

Changing gc_thresh on Linux

In this article I will give an example of changing gc_thresh on Linux, this parameter usually needs to be increased on highly loaded access servers.

How to convert MySQL tables from MyISAM to InnoDB

Since InnoDB is more reliable for storing important data and is more efficient with frequent write requests, I will convert MyISAM tables to InnoDB, in old databases, in one of the companies.

Boost UDP Transaction Performance

File Format: PDF

File size: 3 Mb

Author: Toshiaki Makita
NTT Open Source Software Center

Installing Memcached

Let me give you an example of installing Memcached, which allows you to cache data in RAM.